Color

#37a42d

#37a42d
hex#37a42d
rgbrgb(55, 164, 45)
hslhsl(115, 57%, 41%)
oklchoklch(0.633 0.184 141.9)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2755

Colors that go with #37a42d

Blue, Dodger Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9a2da4

#72a42d · #2da45f

#2d37a4 · #a42d37

Split-complementary

Open in tool →

#5f2da4 · #a42d72

#2d72a4 · #9a2da4 · #a45f2d

Contrast

#37a42d as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #2e8825 as the text (4.5:1)
  • AAA: use #21641b as the text (7.23:1)
  • AA: or shift the background to #292929 (4.51:1)
Aaon black
6.51:1passpassfail
  • AAA: use #3aac2f as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37a42d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #37a42d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #37a42d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37a42d-a2bea3-8d4edf-1f2d24-eef1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md